In key race, Landrieu faces questions about her Louisiana residency

The Pelican (state) brief: Sen. Mary Landrieu claims her parents’ bungalow in Louisiana as her own, bringing questions of the Democrat’s residency to her tough re-election bid, the Washington Post writes. Republicans are considering taking legal action. There’s also less serious takes, of course.

ISIS strategy, or lack thereof: President Barack Obama’s declaration that the U.S. doesn’t yet have a strategy to fight the Islamic state, or ISIS, continues to make waves. Politico called it a “misfire,” while the New York Times says it’s tricky for Obama to deal with Congress on the issue.

Pew Research meanwhile says concerns about the group have climbed quickly to the top of the American public’s worry list.

Republican senatorial candidate Scott Brown is going to call Friday for a law to strip citizenship from Americans who decide to fight alongside the Islamic state, according to the NH Journal. Brown — as senator from Massachusetts — introduced similar legislation in 2010 and 2011 that died.

Changing politics of Obamacare: Greg Sargent of the Washington Post writes that the decision by Pennsylvania’s Republican governor, Tom Corbett, to expand Medicare is another reflection of the changing politics of Obamacare. “The Medicaid expansion has created political complications for Republicans, particularly in swing states. It is broadly popular and the argument against taking all that federal money to cover one’s own constituents is a tough one to make,” he says.

President Portman? Sen. Rob Portman, the Ohio Republican, is being urged to form a presidential exploratory committee as the first step in running for the White House in 2016, according to the Columbus Dispatch.